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Finding the Fourth Proportional to 95,381.34, 143,085.42 and 28,813.92

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Solution

The fourth proportional to 95,381.34, 143,085.42 and 28,813.92 is: 43,224.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,381.34 : 143,085.42 = 28,813.92 : x
  2. Step 2: Convert to fraction form
    95,381.34/143,085.42 = 28,813.92/x
  3. Step 3: Cross multiply
    95,381.34x = 143,085.42 × 28,813.92
  4. Step 4: Simplify right side
    95,381.34x = 4,122,851,845.05
  5. Step 5: Solve for x
    x = 4,122,851,845.05/95,381.34
  6. Step 6: Final answer
    x = 43,224.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.